The answer would be that they are close to water hope this helps!
Answer: the true statement form the given statements is “the athletes is not doing any work because he does not move weight”
Answer: 
Explanation:
Given
Mass of particle is 
Charge of particle is 
Electrostatic force must balance the weight of the particle
Direction of the electric field is in upward direction such that it opposes the gravity force.
Answer:
Diaphragm or Iris: Many microscopes have a rotating disk under the stage. This diaphragm has different sized holes and is used to vary the intensity and size of the cone of light that is projected upward into the slide.
Explanation:
It looks like they are all units of measurement:
FOOT - POUND - NEWTON - METER
